Composite dual tubing.,申请号EP19810107064-传众专利搜索

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发明名称	Composite dual tubing.
摘要
申请公布号	EP0047526(A2)	申请公布日期	1982.03.17
申请号	EP19810107064	申请日期	1981.09.08
申请人	NIPPON STEEL CORPORATION	发明人	SASAKI, TAKESADA;ENDO, HIROSHI;ZAMA, YOSHIMASA;SHIRAISHI, MASAHIKO;MIURA, YOSINARI;YAMAGUCHI, MASAYUKI
分类号	F16L9/02;B21C37/15;B32B1/08;B32B15/02;B32B15/14;F01N13/08;F01N13/14;F16L9/18;F16L9/21;F16L55/02;F16L55/04;(IPC1-7):F16L55/02;F01N7/14	主分类号	F16L9/02
代理机构		代理人
主权项
地址

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